import commonConfig from './common.js'
import {getToken} from './auto.js'
import {tansParams} from './dispose.js'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'

const service = axios.create({
    // axios中请求配置有baseURL选项，表示请求URL公共部分
    baseURL: commonConfig.baseUrl,
    // 超时
    timeout: 10000
})

service.interceptors.request.use(config => {
    const isToken = (config.headers || {}).isToken === false
    if (getToken() && !isToken) {
        config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    if (config.method === 'get' && config.params) {
        let url = config.url + '?' + tansParams(config.params);
        url = url.slice(0, -1);
        config.params = {};
        config.url = url;
    }

    if (config.method === 'post' || config.method === 'put') {
        const requestObj = {
            url: config.url,
            data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
            time: new Date().getTime()
        }
    }
    return config
})

// 响应拦截器
service.interceptors.response.use((res) => {
        // 未设置状态码则默认成功状态
        const code = res.data.code || 200;
        // 获取错误信息
        const msg = '成功'
        // 二进制数据则直接返回
        if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
            return res.data
        }
        if (code === 401) {
            return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
        } else if (code === 500) {

            return Promise.reject(new Error(msg))
        } else if (code !== 200) {

            return Promise.reject('error')
        } else {
            return Promise.resolve(res.data)
        }
    },
    error => {
        console.log('err' + error)
        let {message} = error;
        if (message == "Network Error") {
            message = "后端接口连接异常";
        } else if (message.includes("timeout")) {
            message = "系统接口请求超时";
        } else if (message.includes("Request failed with status code")) {
            message = "系统接口" + message.substr(message.length - 3) + "异常";
        }
        return Promise.reject(error)
    }
)

export default service